Subject: 3.5m Night Log 20250102 From: ajt@apo.nmsu.edu Date: Fri, 3 Jan 2025 13:58:53 +0000 (UTC) Apache Point Observatory 3.5m Telescope Night Log Thursday, January 02, 2025 PROG PI ASTRONOMER OBSERVER(S) -------------------------------------------------------------------- AP02 S.Merkowitz R.McMillan,B.Ketzeback OU04 J.Serna J.Serna NM07 A.Smith A.Smith,A.Abbas CU02 C.Murray C.Murray,Z.Berta-Thompson ON-SKY PROG INSTRUMENT START FINISH -------------------------------------------------------------------- AP02 APOLLO 17:19 18:22 OU04 KOSMOS 18:29 23:53 NM07 ECHELLE 00:00 02:38 CU02 KOSMOS 02:44 06:26 PROG SCHEDULED WEATH EQUIP OBS NOT USED I/ROW/DTN START FINISH D B D B D B D B ----------------------------------------------------------------- AP02/R 17:18 18:18 0 0 0 0 0.0 1.0 0 0 OU04/R 18:18 00:10 0 0 0 0 3.9 2.0 0 0 NM07/R 00:10 02:45 0 0 0 0 2.6 0.0 0 0 CU02/R 02:45 06:57 0 0 0 0 4.2 0.0 0 0 note: scheduled times listed include instrument change time ------------- ACTIVITY LOG -------------- Observing Specialist: A.Townsend OU04 got done on sky a little early and donated the last few minutes to NM07. We had a few clouds at sunset but they disappeared and we had clear skies and good seeing the rest of the night. ------- FAILURE LOG ------- FAILURE MODE TIME PROG INSTR TI/SHU START FINISH DESCRIPTION ---------------------------------------------------------------------- ---------------- FOCUS LOG --------------- Time Instrument Focus Az El Temp Strc Prim Sec Air filt FWHM -------------------------------------------------------------------------- 17:25 APOLLO 465( 1961) -53 36 7.3 8.4 8.3 8.2 7.6 530 1.40 19:21 klow 250( 866) 86 59 7.6 6.7 7.2 6.5 6.8 -- 0.80 00:12 ecamera 317( -85) -39 38 7.9 6.0 6.9 5.6 6.9 ND3 1.09 03:03 kosmos 310( 884) 64 53 5.8 5.7 6.4 5.6 5.7 -- 0.80 ------------- WEATHER LOG ---------------- Wind Precip.or Time Temp F Dewp F MPH Direction Dust Sky Conditions ------------------------------------------------------------------ 16:00 48 20 11 44 (NE) 259 mstly clr none 17:00 46 18 5 358 (N) 288 mstly clr none 18:00 44 18 16 25 (NNE) 216 clear none 19:00 45 18 7 18 (NNE) 191 clear none 20:00 46 18 12 21 (NNE) 217 clear none 21:00 45 18 5 27 (NNE) 209 clear none 22:00 45 19 6 2 (N) 201 clear none 23:00 47 15 4 164 (SSE) 206 clear none 00:00 47 14 2 197 (SSW) 198 clear none 01:00 46 13 3 206 (SSW) 151 clear none 02:00 44 15 8 184 (S) 176 clear none 03:00 43 14 8 167 (SSE) 217 clear none 04:00 42 16 6 178 (S) 227 clear none 05:00 44 16 6 187 (S) 168 clear none 06:00 45 18 6 190 (S) 248 clear none Note: the wind was coming from the azimuth listed. The convention used is north=0 degrees, east=90 degrees. The dust count is particles > 1u per 0.1 cubic feet. ---------- TELESCOPE SOFTWARE ---------- Current TCC version: 1.4.2 Current HUB version: v20171231_01 Current TUI version: 3.1.5